FILLER

In woodworking, any substance used to fill the holes and irregularities in planed or sanded surfaces to decrease the porosity of the surface before applying finish coatings.
- Wood Filler - (for Cracks, Knot Holes, Worm Holes, Etc.) Usually a commercial wood putty, Plastic Wood, or other materials mixed to the consistency of putty. A wood filler may also be mixed on the job using sander dust from the final sanding, or other suitable material, mixed with sealer, or finish.